projects / mirror_ubuntu-zesty-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 8bc487d1 GL |
1 | /* |
| 2 | * OF helpers for the MDIO (Ethernet PHY) API | |
| 3 | * | |
| 4 | * Copyright (c) 2009 Secret Lab Technologies, Ltd. | |
| 5 | * | |
| 6 | * This file is released under the GPLv2 | |
| 7 | */ | |
| 8 | ||
| 9 | #ifndef __LINUX_OF_MDIO_H | |
| 10 | #define __LINUX_OF_MDIO_H | |
| 11 | ||
| 12 | #include <linux/phy.h> | |
| 13 | #include <linux/of.h> | |
| 14 | ||
| f9dc9ac5 | 15 | #ifdef CONFIG_OF |
| 8bc487d1 GL |
16 | extern int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np); |
| 17 | extern struct phy_device *of_phy_find_device(struct device_node *phy_np); | |
| 18 | extern struct phy_device *of_phy_connect(struct net_device *dev, | |
| 19 | struct device_node *phy_np, | |
| 20 | void (*hndlr)(struct net_device *), | |
| 21 | u32 flags, phy_interface_t iface); | |
| b7862412 DL |
22 | extern struct phy_device * |
| 23 | of_phy_get_and_connect(struct net_device *dev, struct device_node *np, | |
| 24 | void (*hndlr)(struct net_device *)); | |
| 7614aba6 AF |
25 | struct phy_device *of_phy_attach(struct net_device *dev, |
| 26 | struct device_node *phy_np, u32 flags, | |
| 27 | phy_interface_t iface); | |
| 8bc487d1 | 28 | |
| 25106022 | 29 | extern struct mii_bus *of_mdio_find_bus(struct device_node *mdio_np); |
| 33d67377 | 30 | extern int of_mdio_parse_addr(struct device *dev, const struct device_node *np); |
| a5e4bd99 | 31 | extern int of_phy_register_fixed_link(struct device_node *np); |
| 3f65047c | 32 | extern void of_phy_deregister_fixed_link(struct device_node *np); |
| a5e4bd99 | 33 | extern bool of_phy_is_fixed_link(struct device_node *np); |
| 25106022 | 34 | |
| f9dc9ac5 | 35 | #else /* CONFIG_OF */ |
| 2a5cf801 | 36 | static inline int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np) |
| f9dc9ac5 | 37 | { |
| 23a456f0 DM |
38 | /* |
| 39 | * Fall back to the non-DT function to register a bus. | |
| 40 | * This way, we don't have to keep compat bits around in drivers. | |
| 41 | */ | |
| 42 | ||
| 43 | return mdiobus_register(mdio); | |
| f9dc9ac5 SK |
44 | } |
| 45 | ||
| 2a5cf801 | 46 | static inline struct phy_device *of_phy_find_device(struct device_node *phy_np) |
| f9dc9ac5 SK |
47 | { |
| 48 | return NULL; | |
| 49 | } | |
| 50 | ||
| 2a5cf801 MB |
51 | static inline struct phy_device *of_phy_connect(struct net_device *dev, |
| 52 | struct device_node *phy_np, | |
| 53 | void (*hndlr)(struct net_device *), | |
| 54 | u32 flags, phy_interface_t iface) | |
| f9dc9ac5 SK |
55 | { |
| 56 | return NULL; | |
| 57 | } | |
| 58 | ||
| b7862412 DL |
59 | static inline struct phy_device * |
| 60 | of_phy_get_and_connect(struct net_device *dev, struct device_node *np, | |
| 61 | void (*hndlr)(struct net_device *)) | |
| 62 | { | |
| 63 | return NULL; | |
| 64 | } | |
| 65 | ||
| 7614aba6 AF |
66 | static inline struct phy_device *of_phy_attach(struct net_device *dev, |
| 67 | struct device_node *phy_np, | |
| 68 | u32 flags, phy_interface_t iface) | |
| 69 | { | |
| 70 | return NULL; | |
| 71 | } | |
| 72 | ||
| 2a5cf801 | 73 | static inline struct mii_bus *of_mdio_find_bus(struct device_node *mdio_np) |
| f9dc9ac5 SK |
74 | { |
| 75 | return NULL; | |
| 76 | } | |
| 33d67377 FF |
77 | |
| 78 | static inline int of_mdio_parse_addr(struct device *dev, | |
| 79 | const struct device_node *np) | |
| 80 | { | |
| 81 | return -ENOSYS; | |
| 82 | } | |
| 3be2a49e TP |
83 | static inline int of_phy_register_fixed_link(struct device_node *np) |
| 84 | { | |
| 85 | return -ENOSYS; | |
| 86 | } | |
| 3f65047c JH |
87 | static inline void of_phy_deregister_fixed_link(struct device_node *np) |
| 88 | { | |
| 89 | } | |
| 3be2a49e TP |
90 | static inline bool of_phy_is_fixed_link(struct device_node *np) |
| 91 | { | |
| 92 | return false; | |
| 93 | } | |
| 94 | #endif | |
| 95 | ||
| 96 | ||
| 8bc487d1 | 97 | #endif /* __LINUX_OF_MDIO_H */ |